SI871X Datasheet, PDF (7/35 Pages) Silicon Laboratories – Industrial automation

Si871x/2x
Input Signal
Switch
5V
Isolated
Supply
267
Si871x/2x
Anode ^VDD
VO
5V
Supply
Oscilloscope
Isolated
Ground
Cathode ^GND
Input
High Voltage
Differential
Probe
Output
Vcm Surge
Output
High Voltage
Surge Generator
Figure 2. Common Mode Transient Immunity Characterization Circuit
Rev. 1.0
7